shithub: dav1d

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Clear coefficient cache upon error

Fixes subsequent decoding errors after unrelated decoding errors or
flush/seek events.

--- a/src/thread_task.c

+++ b/src/thread_task.c

@@ -41,7 +41,10 @@

         if (f->frame_thread.die) break;

         pthread_mutex_unlock(&f->frame_thread.td.lock);

-        dav1d_decode_frame(f);

+        const int res = dav1d_decode_frame(f);

+        if (res)

+            memset(f->frame_thread.cf, 0,

+                   sizeof(int32_t) * 3 * f->lf.mask_sz * 128 * 128);

         pthread_mutex_lock(&f->frame_thread.td.lock);

         f->n_tile_data = 0;